- Author: Michael Borchard, Rauf Ceylan
- Language: German
- Year: 2011
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- Language: German
- Year: 2012
- Author: Michael Borchard (editor)
- Language: German
- Year: 2007
- Author: Carsten Wippermann Norbert Arnold Heide Möller-Slawinski Michael Borchard Peter Marx
- Language: German
- Year: 2011